ICOM Informatique Icom IC-F11 5W 16ch VHF transceiver 2-Way Radio "radio switches channel itself" Questions

Channel GMRS 2-Way Radio Twin Pack walkie talkie from USA and now iam in india..first of all it cant get it to charge here from the same docking station as it only has input of 120 v and here in india

...rust or corrotion on radio battery contact. dirty bat. contact could produce this kind of syntoms. What happend if the radio turn off by itself and you try to turn on again? does it turn on